On the Black Hill
The story covers eighty years in the lives of a pair of Welsh identical twins with an unusual bond, as they go through war, love affairs, and land disputes.
- Year: 1988
- Country: United Kingdom
- Genre: Drama
- Studio: BFI, British Screen Productions, Channel Four Films
- Keyword: wales, based on novel or book, twins, land dispute
- Director: Andrew Grieve
- Cast: Mike Gwilym, Robert Gwilym, Bob Peck, Gemma Jones, Jack Walters, Nesta Harris